what is a closure in javascript

Answer

A closure in JavaScript is a function that retains access to its lexical scope, even when the function is executed outside that scope. This means that a closure can remember the environment in which it was created, allowing it to access variables from that environment even after the outer function has finished executing. Closures are often used for data encapsulation and to create private variables.

Query Expansions

1. 0.what is a closure in javascript(original)
2. 1.how would you define a closure in JavaScript?
3. 2.can you explain the concept of closures in JavaScript?
4. 3.what does the term closure refer to in the context of JavaScript?

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